[URL="http://api.tweetmeme.com/share?url=http://espn.go.com/nfl/story/_/id/8574151/ben-obomanu-seattle-seahawks-placed-injured-reserve&service=bit.ly&source=espn"][IMG]http://api.tweetmeme.com/imagebutton.gif?url=http://espn.go.com/nfl/story/_/id/8574151/ben-obomanu-seattle-seahawks-placed-injured-reserve[/IMG][/URL]Wide receiver Ben Obomanu has been placed on season-ending injured reserve by the Seattle Seahawks with a wrist injury suffered in Sunday's loss to Detroit.